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Optics Letters

Optics Letters


  • Vol. 16, Iss. 9 — May. 1, 1991
  • pp: 690–692

Variable attenuator for intense unpolarized laser beams

Haim Lotem, Assaf Eyal, and Reuben Shuker  »View Author Affiliations

Optics Letters, Vol. 16, Issue 9, pp. 690-692 (1991)

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Utilization of polarizing optics for dynamic attenuation of intense unpolarized laser beams is reported. The new family of variable attenuator is composed of a retardation plate mounted between two identical polarization splitters placed in tandem. By varying the retardation, or by rotating the plate, the transmission is varied. These attenuators are characterized by a high transmission and a high optical damage threshold. A transmission dynamic range as large as 1 to 10−5 is achievable with polarization splitters made of crystals such as sapphire. These attenuators are applicable in laser material processing and in Q switching of unpolarized lasers.

© 1991 Optical Society of America

Original Manuscript: January 3, 1991
Published: May 1, 1991

Haim Lotem, Assaf Eyal, and Reuben Shuker, "Variable attenuator for intense unpolarized laser beams," Opt. Lett. 16, 690-692 (1991)

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  1. K. Bennett, R. L. Byer, Appl. Opt. 19, 2408 (1980). [CrossRef] [PubMed]
  2. F. A. Jenkins, H. E. White, Fundamentals of Optics (McGraw-Hill, New York, 1957), Chap. 24.
  3. A. Nusbaum, R. A. Phillip, Contemporary Optics for Scientists and Engineers (Prentice-Hall, Englewood Cliffs, N.J., 1976).
  4. W. G. Driscoll, W. Vaughan, Handbook of Optics (McGraw-Hill, New York, 1978).
  5. H. Lotem, U. Laor, Appl. Opt. 25, 1271 (1985). [CrossRef]
  6. A. Yariv, Introduction to Optical Engineering (Holt, Rinehart & Winston, New York, 1971), Chap. 9.
  7. C. Shaohuo, IEEE J. Quantum Electron. QE-19, 736 (1983). [CrossRef]
  8. The prisms were made by Kerem Optronics, Industrial Zone, Dimona, Israel.

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